Blind Source Separation of Single Channel Ship Radiated Noise Based on VMD-FastICA

LI Yuwei; WANG Huiyuan

doi:10.11993/j.issn.2096-3920.2025-0089

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LI Yuwei, WANG Huiyuan. Blind Source Separation of Single Channel Ship Radiated Noise Based on VMD-FastICA[J]. Journal of Unmanned Undersea Systems. doi: 10.11993/j.issn.2096-3920.2025-0089

Citation:

LI Yuwei, WANG Huiyuan. Blind Source Separation of Single Channel Ship Radiated Noise Based on VMD-FastICA[J]. Journal of Unmanned Undersea Systems. doi: 10.11993/j.issn.2096-3920.2025-0089

LI Yuwei, WANG Huiyuan. Blind Source Separation of Single Channel Ship Radiated Noise Based on VMD-FastICA[J]. Journal of Unmanned Undersea Systems. doi: 10.11993/j.issn.2096-3920.2025-0089

Citation:

LI Yuwei, WANG Huiyuan. Blind Source Separation of Single Channel Ship Radiated Noise Based on VMD-FastICA[J]. Journal of Unmanned Undersea Systems. doi: 10.11993/j.issn.2096-3920.2025-0089

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Blind Source Separation of Single Channel Ship Radiated Noise Based on VMD-FastICA

doi: 10.11993/j.issn.2096-3920.2025-0089

The Seventh Military Representative Office of Naval Equipment Department in Shanghai, Shanghai 201107, China

Received Date: 2025-07-18
Accepted Date: 2025-09-08
Rev Recd Date: 2025-08-27

Available Online: 2025-11-25

Abstract

Abstract

Addressing the challenge of separating different target ship radiated noise signal from mixed signal under extreme conditions where only single-channel signal is available, blind source separation algorithm under single-channel condition is researched. A ship radiated noise blind source separation algorithm based on the improved Fast Independent Component Analysis (Fast-ICA) using Variational Mode Decomposition (VMD) is proposed. Under single-channel condition, the single-channel signal is first decomposed into multiple relatively independent frequency components through VMD, initially achieving the separation of independent frequency0 components. Then, these modes are combined into virtual multi-channel signals to solve the issue that Fast-ICA cannot process single-channel signal. Finally, the combined virtual multi-channel signals are processed using Fast-ICA to further separate independent signal components, thereby achieving single-channel ship radiated noise blind source separation. Simulation and experimental data analysis results show that, both under the influence of environmental noise and without environmental noise, the similarity between the target signals separated by the proposed VMD-FastICA blind source separation algorithm and the original target signals is improved compared to the SSA-ICA algorithm. This demonstrates that VMD-FastICA blind source separation algorithm has good performance for single-channel ship radiated noise signal and can achieve blind source separation of different target ship radiated noise signals under single-channel condition.
- single channel,
- radiated noise,
- blind source separation,
- variational mode decomposition,
- fast independent component analysis,
- ship

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References(16)

References

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